Use ExposableError for public errors in GitLab integration (#625)

* Use ExposableError for public errors in GitLab integration

* Add changeset

.changeset/purple-foxes-arrive.md

@@ -0,0 +1,5 @@
+---
+'@gitbook/integration-gitlab': minor
+---
+
+Use ExposableError for public errors in GitLab integration

integrations/gitlab/src/api.ts

@@ -1,7 +1,6 @@
 import LinkHeader from 'http-link-header';
-import { StatusError } from 'itty-router';
 
-import { Logger } from '@gitbook/runtime';
+import { Logger, ExposableError } from '@gitbook/runtime';
 
 import type { GitLabSpaceConfiguration } from './types';
 
@@ -275,7 +274,7 @@ async function requestGitLab(
 
         logger.error(`[${options.method}] (${response.status}) GitLab API error: ${text}`);
 
-        throw new StatusError(response.status, `GitLab API error: ${response.statusText}`);
+        throw new ExposableError(`GitLab API error: ${response.statusText}`, response.status);
     }
 
     return response;
@@ -296,7 +295,10 @@ function getEndpoint(config: GitLabSpaceConfiguration): string {
 export function getAccessTokenOrThrow(config: GitLabSpaceConfiguration): string {
     const { accessToken } = config;
     if (!accessToken) {
-        throw new StatusError(401, 'Unauthorized: kindly re-authenticate with a new access token.');
+        throw new ExposableError(
+            'Unauthorized: kindly re-authenticate with a new access token.',
+            401,
+        );
     }
 
     return accessToken;

integrations/gitlab/src/index.ts

@@ -1,8 +1,13 @@
-import { StatusError, error } from 'itty-router';
-import { Router } from 'itty-router';
+import { Router, error } from 'itty-router';
 
 import { ContentKitIcon, ContentKitSelectOption, GitSyncOperationState } from '@gitbook/api';
-import { createIntegration, FetchEventCallback, Logger, EventCallback } from '@gitbook/runtime';
+import {
+    createIntegration,
+    FetchEventCallback,
+    Logger,
+    EventCallback,
+    ExposableError,
+} from '@gitbook/runtime';
 
 import { fetchProject, fetchProjectBranches, fetchProjects, searchUserProjects } from './api';
 import { configBlock } from './components';
@@ -70,7 +75,7 @@ const handleFetchEvent: FetchEventCallback<GitLabRuntimeContext> = async (reques
         if (!verified) {
             const message = `Invalid signature for integration task`;
             logger.error(message);
-            throw new StatusError(400, message);
+            throw new ExposableError(message);
         }
 
         const { task } = JSON.parse(payloadString) as { task: IntegrationTask };
@@ -110,11 +115,11 @@ const handleFetchEvent: FetchEventCallback<GitLabRuntimeContext> = async (reques
                 if (!valid) {
                     const message = `Invalid signature for webhook event ${eventUuid}`;
                     logger.error(message);
-                    throw new StatusError(400, message);
+                    throw new ExposableError(message);
                 }
             } catch (error: any) {
                 logger.error(`Error verifying signature ${error}`);
-                throw new StatusError(400, error.message);
+                throw new ExposableError(error.message);
             }
         }
 

integrations/gitlab/src/installation.ts

@@ -1,7 +1,5 @@
-import { StatusError } from 'itty-router';
-
 import { IntegrationSpaceInstallation } from '@gitbook/api';
-import { Logger } from '@gitbook/runtime';
+import { Logger, ExposableError } from '@gitbook/runtime';
 
 import { fetchProject } from './api';
 import { createGitLabWebhookURL, installWebhook } from './provider';
@@ -30,7 +28,7 @@ export async function saveSpaceConfiguration(
     assertIsDefined(spaceInstallation, { label: 'spaceInstallation' });
 
     if (!state.project || !state.branch) {
-        throw new StatusError(400, 'Incomplete configuration: missing project or branch');
+        throw new ExposableError('Incomplete configuration: missing project or branch');
     }
 
     const projectId = parseInt(state.project, 10);